Data Collection and Scatter plots

Front

What is data collection?

Back

The process of gathering and measuring information on variables of interest in a systematic way.

Tags

CCSS.6.SP.B.5B

Front

What is a scatter plot?

Back

A graph that displays values for typically two variables for a set of data.

Tags

CCSS.8.SP.A.1

Front

What does a positive correlation indicate in a scatter plot?

Back

As one variable increases, the other variable also increases.

Tags

CCSS.HSS.ID.B.5

Front

What does a negative correlation indicate in a scatter plot?

Back

As one variable increases, the other variable decreases.

Tags

CCSS.HSS.ID.B.5

Front

What does no correlation mean in a scatter plot?

Back

There is no discernible relationship between the two variables.

Tags

CCSS.HSF-LE.A.1B

Front

What is a linear association?

Back

A relationship between two variables that can be represented with a straight line.

Tags

CCSS.8.F.A.3

Front

What is a nonlinear association?

Back

A relationship between two variables that cannot be represented with a straight line.

Tags

CCSS.8.F.A.3

Front

How do you determine the type of association in a scatter plot?

Back

By observing the direction and pattern of the points plotted.

Tags

CCSS.HSF-LE.A.1B

Front

What is the purpose of using scatter plots?

Back

To visually represent the relationship between two quantitative variables.

Tags

CCSS.8.SP.A.1

Front

What does it mean if a scatter plot shows a cluster of points?

Back

It indicates a strong relationship between the two variables.

Tags

CCSS.8.SP.A.1